fixed isEmpty bug

Author git <vivec@telvanni.eu>
Author date 2018-11-21 17:09:34
Author local date 2018-11-21 18:09:34 +0100
Committer git <vivec@telvanni.eu>
Committer date 2018-11-21 17:09:34
Committer local date 2018-11-21 18:09:34 +0100
Commit 1b3e6acb5433c4bf9a212790c5d44c3580965825
Tree ea78e709f30842c07e3e4140455ef8de075196aa
Parent 8044bc26bfc52155927c1de9fc19c3ba8f4d6241
fixed isEmpty bug